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http://dx.doi.org/10.5000/EESK.2011.15.4.001

Fragility Curve Evaluation of Reinforced Concrete Shear Wall Structures according to Various Nonlinear Seismic Analysis Methods  

Jang, Dong-Hui (도로공사 도로교통연구원)
Song, Jong-Keol (강원대학교 토목공학과)
Kang, Sung-Lib (강원대학교 토목공학과)
Park, Chang-Ho (도로공사 도로교통연구원)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.15, no.4, 2011 , pp. 1-12 More about this Journal
Abstract
Seismic fragility analysis has been developed to evaluate the seismic performance of existing nuclear power plants, but now its applicability has been extended to buildings and bridges. In general, the seismic fragility curves are evaluated from the nonlinear time-history analysis (THA) using many earthquake ground motions. Seismic fragility analysis using the nonlinear THA requires a time consuming process of structural modeling and analysis. To overcome this shortcoming of the nonlinear THA, simplified methods such as the displacement coefficient method (DCM) and the capacity spectrum method (CSM) are used for the seismic fragility analysis. In order to evaluate the accuracy of the seismic fragility curve calculated by the DCM and the CSM, the seismic fragility curves of a reinforced concrete shear wall structure calculated by the DCM and CSM are compared with those calculated by the nonlinear THA. In order to construct a numerical fragility curve, 190 artificially generated ground motions corresponding to the design spectrum and the methodology proposed by Shinozuka et al. are used.
Keywords
Seismic fragility curve; Nonlinear time-history analysis; Displacement coefficient method; Capacity spectrum method; Reinforced concrete wall structure;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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